Update from https://crrev.com/312398

testing/commit_queue/config.json

 {
     "experimental_tryjobs": {
         "10 percent experiment": {
             "percentage": 0.1,
             "trybots": {
                 "launched": {
                     "tryserver.chromium.linux": {
                         "linux_chromium_asan_rel_ng": ["defaulttests"]
                     },
                     "tryserver.chromium.mac": {
+                        "mac_chromium_gn_rel": ["defaulttests"]
                     },
                     "tryserver.chromium.win": {
-                        "win8_chromium_ng": ["defaulttests"],
-                        "win_chromium_compile_dbg_ng": ["defaulttests"]
+                        "win8_chromium_ng": ["defaulttests"]
                     }
                 }
             }
         },
         "50 percent experiment": {
             "percentage": 0.50,
             "trybots": {
                 "launched": {
                     "tryserver.chromium.linux": {
                     }
@@ skipping 22 matching lines @@
     "trybots": {
         "launched": {
           "tryserver.chromium.linux": {
               "android_chromium_gn_compile_dbg": ["defaulttests"],
               "android_chromium_gn_compile_rel": ["defaulttests"],
               "android_compile_rel": ["defaulttests"],
               "chromium_presubmit": ["defaulttests"],
               "linux_chromium_asan_rel": ["defaulttests"],
               "linux_chromium_chromeos_compile_dbg_ng": ["defaulttests"],
               "linux_chromium_chromeos_rel_ng": ["defaulttests"],
+              "linux_chromium_gn_chromeos_rel": ["defaulttests"],
               "linux_chromium_gn_dbg": ["defaulttests"],
               "linux_chromium_gn_rel": ["defaulttests"],
               "linux_chromium_rel_ng": ["defaulttests"],
               "android_dbg_tests_recipe": ["defaulttests"],
               "android_arm64_dbg_recipe": ["defaulttests"],
               "android_clang_dbg_recipe": ["defaulttests"],
               "android_aosp": ["compile"],
               "linux_chromium_compile_dbg_32_ng": ["compile"]
             },
             "tryserver.chromium.mac": {
               "mac_chromium_compile_dbg_ng": ["defaulttests"],
               "mac_chromium_rel_ng": ["defaulttests"],
               "ios_dbg_simulator": [
                   "compile",
                   "base_unittests",
                   "components_unittests",
                   "content_unittests",
                   "crypto_unittests",
                   "url_unittests",
                   "net_unittests",
                   "sql_unittests",
                   "ui_unittests",
                   "sync_unit_tests",
                   "gfx_unittests"
               ],
               "ios_rel_device_ng": ["defaulttests"],
               "ios_rel_device_ninja_ng": ["defaulttests"]
             },
             "tryserver.chromium.win": {
-              "win_chromium_compile_dbg": ["defaulttests"],
+              "win8_chromium_rel": ["defaulttests"],
+              "win8_chromium_gn_rel": ["defaulttests"],
+              "win_chromium_compile_dbg_ng": ["defaulttests"],
               "win_chromium_rel_ng": ["defaulttests"],
-              "win_chromium_x64_rel_ng": ["defaulttests"],
-              "win8_chromium_rel": ["defaulttests"]
+              "win_chromium_x64_rel_ng": ["defaulttests"]
             },
             "tryserver.chromium.gpu": {
                 "linux_gpu": ["defaulttests"],
                 "linux_gpu_triggered_tests": ["defaulttests"],
                 "win_gpu": ["defaulttests"],
                 "win_gpu_triggered_tests": ["defaulttests"]
             }
         },
         "triggered": {
             "tryserver.chromium.gpu": {
                 "linux_gpu_triggered_tests": "linux_gpu",
                 "win_gpu_triggered_tests": "win_gpu"
             }
         }
     }
 }